E655 series

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E655 series
E655 series in February 2022
In service	2007–present
Manufacturer	Hitachi, Tokyu Car Corporation
Constructed	2007
Number built	6 vehicles
Number in service	6 vehicles
Formation	5–6 cars per trainset (can be rearranged)
Capacity	107[1]
Operators	JR East
Depots	Oku[2]
Specifications
Car body construction	Aluminium alloy
Car length	21.365 m (70 ft 1.1 in) (end cars, over couplers) 20.500 m (67 ft 3.1 in) (intermediate cars)
Width	2.946 m (9 ft 8.0 in)
Height	3.940 m (12 ft 11.1 in) (head of end cars) 3.695 m (12 ft 1.5 in) (side roof cover height) 3.960 m (12 ft 11.9 in) (with pantograph folded)
Doors	1 per side
Maximum speed	130 km/h (81 mph)[1]
Traction system	2-level IGBT-VVVF (Hitachi)
Traction motors	4 × Hitachi MT75A 140 kW (188 hp) 3-phase AC squirrel-cage induction motor
Power output	2.24 MW (3,004 hp)
Electric system(s)	1,500 V DC and 20 kV 50/60 Hz AC, all from overhead catenary
Current collector(s)	Pantograph
Safety system(s)	ATS-P, ATS-Ps
Multiple working	E657 series
Track gauge	1,067 mm (3 ft 6 in)

The E655 series (E655系) is an AC/DC dual-voltage electric multiple unit (EMU) train operated by East Japan Railway Company (JR East) in Japan. The single 5-car trainset is used as a luxury charter train called Nagomi (なごみ(和)), and also as the Imperial train by inserting a dedicated Imperial carriage.^[1]